Siemens SICAM RTU - Block Diagram; Sm-0551

System Components
SICAM RTUs, SICAM AK 3 User Manual 105
DC2-028-2.03, Edition 07.2016
2.4.2 SM-0551
Serial interface module (SIM), installable on SM-2558.
2.4.2.1 Block Diagram
X0
X1
X2
X3
SM-2558
ZBG-BUS
+5 V
ARM
Cortex A9
Crypto
Chip
Ethernet PHY
SM-0551
(optional)
local
ethernet
interface
electrical
ethernet
interface
Basic system element
Power
Supply
galvanic insulation
XC164 CPU-
Basic system
local
ethernet
interface
optional
serial
interface
(PRE2)